I had that issue, especially with Google maps however, I found the best way is to close application when done by going to your menu button and close out. I also figured out this was slowing my phone down because application was still open.

I had that issue, especially with Google maps however, I found the best way is to close application when done by going to your menu button and close out. I also figured out this was slowing my phone down because application was still open.

So rather than just pressing the back key, I should manually close it - i shall give it a try